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What is function overloading and overriding in php?
...ssible in PHP:
PHP has a function called func_get_args(), which returns an array of current arguments, now consider the following code:
function hello($a){
print_r(func_get_args());
}
function hello($a,$a){
print_r(func_get_args());
}
hello('a');
hello('a','b');
Considering both functions a...
Turn a string into a valid filename?
...
In Python 3 your_string needs to be a byte array or the result of encode('ascii') for this to work.
– Noumenon
Jul 25 '15 at 18:43
4
...
JavaScript/jQuery to download file via POST with JSON data
...data. It seems to be both simple and effective.
client
var apples = new Array();
// construct data - replace with your own
$.ajax({
type: "POST",
url: '/Home/Download',
data: JSON.stringify(apples),
contentType: "application/json",
dataType: "text",
success: function (data) {
...
How to output something in PowerShell
...good exhibit of Echo vs. Write-Host. Notice how test() actually returns an array of ints, not a single int as one could easily be led to believe.
function test {
Write-Host 123
echo 456 # AKA 'Write-Output'
return 789
}
$x = test
Write-Host "x of type '$($x.GetType().name)' = $x"
Wri...
Efficient list of unique strings C#
...ndex);
It was adopted from this thread: javascript - Unique values in an array
Test:
using FluentAssertions;
uniqueItems.Count().Should().Be(3);
uniqueItems.Should().BeEquivalentTo("one", "two", "zero");
Performance test for List, HashSet and SortedSet. 1 million iterations:
List: 564 ms
Has...
log4j vs logback [closed]
...ain from such upgrade, IMHO. Logback is certainly much more advanced in an array of points, but not to an extent for complete replacement in a working system. I would certainly consider logback for a new development, but existing log4j is good enough and mature for anything already released and met ...
jQuery scroll() detect when user stops scrolling
... var on = $.fn.on, timer;
$.fn.on = function () {
var args = Array.apply(null, arguments);
var last = args[args.length - 1];
if (isNaN(last) || (last === 1 && args.pop())) return on.apply(this, args);
var delay = args.pop();
var fn = args.pop()...
What is LINQ and what does it do? [closed]
...ational databases, but also on XML or in-memory container objects, such as arrays and lists. More information is available in MSDN library: http://msdn.microsoft.com/en-us/library/bb308959.aspx
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Does Python support multithreading? Can it speed up execution time?
...n GUI, and calling multiple PIL (eg Image.transform()) and numpy (eg numpy.array()) operations with threads. And you provided some more examples in your comment such as using multiple threads to read files (eg f.read()?). I know an exhaustive list isnt possible, just wanted the types of examples you...
Is it possible to modify variable in python that is in outer, but not global, scope?
...frame(1)
frame.f_locals['x'] = "hack!"
# Force an update of locals array from locals dict
ctypes.pythonapi.PyFrame_LocalsToFast(ctypes.py_object(frame),
ctypes.c_int(0))
def func():
x = 1
hack()
print(x)
func()
Output:
hack!
...